Manual: 1570 SM COMMODORE

COMMODORE

DISK DRIVE
1570/1571

Technical Manual

Fwh a

5-12
i3
14
15
16
18
19

20
2)
22
23
25
26

27

28

WD 1770 FDG

wird beim Schreiben/Lesen von der Diskette in MFM Format benutzt

WD 1770

cs
R/W
AQ
Al

DO-07
Reset
Masse

+5V

Step
clock
read Data

Motor on
write Gate
write Data
Track 00
write Protect

Double Dessity
enable

Data Request

Interrupt
Request

Read/Write Hvbrid

Schreib/Lese-Verstaérker
Digital-Analog Umwandlung

Steuerung des Steppermotors

: Low selectiert den Chip

: high schreiben/low lesen

: Diese zwei Eingdnge selectieren
interne Register CS ist low
Al AO R/W=1 R/V = 0
° Status Reg. Command Reg
is} Track Reg. Track Reg.
1
1 Data Reg. Data Reg
Acht bit bi-Datenbus (TTL)
Status Reg. wird aktiviert

ie}
1
ie} Sector Reg. Sector Reg.
1

17 Direetion

: 8MHz + 1%

: Low aktiv enthdlt clock und Datenimpulse von
der Drive

: aktive High (spindle Motor)

: Daten giiltig fiir Diskette

: MFM Daten auf Disk schreiben

24 Index Pulse

: Low verhindert Schreibvorgang

Low double Dessity ist selectiert

: Output = Datenregister ist voll bein Lesen,
leer beim Schreiben

Output = wird nach jedem Befehl oder Reset
gesetzt = Status Reg. Leser

Floppy 1571

Allgemeines

Das System arbeitet mit einem 6502 Prozessor, der mit einer Takt-
frequenz von 1 oder 2 MHz gespeist wird.

Das DOS ist in einem 32K ROM enthalten. Als Schreib-Lese-Speicher
wird ein 2K x 8 statisches RAM benutzt.

Die Ports gleichen denen der 1541

Wenn das System eingeschaltet wird, erscheint es im 1541 Modus.
Der Takt hat eine Frequenz von 1 MHz und alle benutzten Controler,
und DOS-Routinen gleichen denen des 1541 Modus.

Wenn die Floppy einen schnellen Datentakt auf dem seriellen Bus
erkennt, wechselt der Modus zur 1571. In diesem Modus wird der Takt
auf 2 MHz erhdht und die Controler und DOS Routinen des 1571-Modus
werden benutzt.

GCR Datentibertragung wird in zwei Gate Arrayes ( 64 H 156, 64H 157)
ausgefiihrt.

MFM Datentibertragung wird vom WD-Controler 1770 ausgefiihrt. Daten,

die im MFM-Mode transportiert werden, werden direkt tiber den Datenbus
zum WD 1770 gesendet.

Inhaltsverzeichnis

————————

A. Allgemeines

Technische Daten

Unterschied 1570/1571
Diskettenformate

Serieller Bus

Geradteadresse

Diskettenbefehle 1

OoWD AN Fw

B. Schaltplane

Netzteil 1570 11
Platine 1570/1571 12

C. Testsoftware 13-28

D. Ersatzteile

~~ OBS”

TECHNISCHE DATEN

GCR-Format

Kapazitat (unformatiert)

Kapazitat (formatiert)

Maximale GréBe einer sequentiellen Datei
Maximale Gré8e einer relativen Datei
Eintrage pro Datei

Dateien pro Diskette

Spuren pro Diskette

Sektoren pro Spur

Sektoren pro Diskette

Bytes pro Sektor

MFM-Format

Kapazitat (unformatiert):
Kapazitat (formatien):
SektorgréBe 128
Sektorgréfe 256
SektorgrdBe 512
SektorgréB6"1024
Maximale Anzahl der Spuren
Sektoren pro Spur
SektorgréBe 128
SektorgrdBe 256
SektorgrdBe 52
SektorgrdBe 1024

BENUTZTE CHIPS
6502A

6522

6526

23256

4016
64H156/64H157
RAW-Hybridschaltkreis
WDC 1770

Einseitig Doppelseitig
252019 Bytes-. 252019*2 Bytes
174848 Bytes 349696 Bytes
168656 Bytes 337312 Bytes
167132 Bytes 167132 Bytes

65535 65535

144 144

35 70

17-21 17-21

683 insgesamt 1366 insgesamt
664 frei 1328 frei

256 256

500000 Bytes pro Seite

133120 Bytes pro Seite
163840 Bytes pro Seite
184320 Bytes pro Seite
204800 Bytes pro Seite
40 pro Seite

26
16
9
5

Mikroprozessor

ROM mit 32K Bytes

RAM mit 2K Bytes

Gate Array

Analogschaltung (MFM, GCR)
Disk-Controller

ABMESSUNGEN

Hohe 76 mm

Breite 216 mm

Tiefe 346 mm

Gewicht 3,5 kg

BETRIEBSDATEN

‘Spannung 220 V Wechselspannung
Frequenz 50 Hz
Leistungsaufnahme 25W

DATENTRAGER

Jede hochwertige 5%"-Diskette kann benutzt werden. (Die Verwendung von
Commodore-Disketten wird empfohlen.)

COMMODORE 1570 DISK DRIVE

Unterschiede zur 1571 -

LC

Ofe Commodore 1570 Diskettenstation fi
mit einem KlappenverschluB. 2 NOLNAGE SEE RAR EAUENSES

Ccommotore 1870 O'S K DAIVE

Funktionsanzeige (rotes LED)
; Daverlicht: Aktiv
Netzanzeige Blinken: Fehler

FRONTPLATTE -

Netzschal ter Serieller Bus

RUCKSEITE

Betriebssystea

Die 1570 arbeitet mit dew Commodore DOS, Version 3.0/1570.
Eine entsprechende Meldung erhalten Sie unsittelbar nach dem
Einschalten bei der Abfrege des Floppyfehlerkanals.

(°PRINT OS$° bei BASIC 7.0)

Die 1570 arbeitet. im Gegensetz zur 1571 ait nur einen
Schreib-/Lesekopf. Alle Angaben im Handbuch der 1571, die,

sich auf doppelseitig genutzte Disketten beziehen (*doppel-
———geltig’, “pro—Selte’, “157i-Modus’ bel BAM, etc.) gelten
nicht fdr die 1570. ‘

Gerdteadresse

Die Ger&Steadresse kann sowohl soft- als auch hardwarem&Glg
gedndert werden. Die softwaremaBige Anderung erfolgt wie im
Handbuch der 1571 beschrieben; die O1P-Switches fir die
hardwaremaBige Umstellung sind nach dem Offnen des Gehéuses
auf der rechten Seite der Leiterplatte Gber dem Laufwerk zu
erreichen. Um Auseinandersetzungen dber Garantieanspriche zu
vermeiden, sollte ein Umstellen der Schalter nur von einem
Commodore-Fachhaéndler vorgenomaen werden.

Technische Oaten

Mikroprozessor 6502

2 K RAM

32 K ROM (integriertes DOS)

Serfeller Bus, kompatibel zu allen Commodore-Homecomputern.

Diskettenformate:

Commodore Standard (GCR, Single Sided, Single Density)
Speicherkapazitét: 170 KB (formatiert)
Spuren pro Diskette: 35
Sektoren pro Spur: 17 bis 21, je nach Lage
Sektoren pro Diskette: insgesaat 683, 664 frei fir den

Anwender

Bytes pro Sektor: 256

MFM-Formate:
Speicherkspazitat:
- bef 128 Bytes/Sektor: 130 KB
- bei 256 Bytes/Sektor: 160 KB
- bei 512 Bytes/Sektor: 180 KB
- bei 1024 Bytes/Sektor: 200 KB
Spuren pro Diskette: max. 40
Sektoren/Spur:
- bei 128 Bytes/Sektor: 26
- bei 256 Bytes/Sektor: 16
- bei 512 Bytes/Sektor: 9
- bei 1024 Bytes/Sektor: 5

Datentrager:
Jede hochwertige §-1/4-7011-Diskette kann verwendet
werden. Commodore-Disketten werden enmpfonlen.

Mabe: 97 ma x 200 ma x 374 am (Hx BX T)

Spannungsversorgung: 220 ¥, 50 Hz
Leistungsaufnahme: 25 W

DISKETTENFORMATE

Skizze nicht
maistabgetreu

Spur 35 (Spur 70)
Indexloch

Die Spuren 36 bis 70 bariehen sich auf zweiseitige Disketten

GCR-formatierte Diskette

Die Pin-Belegung der Buchse fiir den seriellen Bus geht aus folgender Tabelle
hervor:

Pin-Nummer Signal Richtung

Beschreibung

Pin 1 SRQ vO Wird vom schnellen seriellen Bus als
(Serviceanfor- schnelle Taktleitung in beiden Richtun-
derung) gen benutzt. Wird von dem langsamen

seriellen Bus nicht verwendet.

Pin 2 GND i} Masse
(Erde)

Der Rechner setzt dieses Signal auf den
Logikpegel Low und lést damit einen
Interrupt auf der Steuerplatine «s. Da-
taufhin wird die Gerateadresse auf der
Datenleitung gesendet. Antwortet kei-
nes der angeschlossenen Peripherie-
gerate daraufhin innerhalb einer be-
stimmten vorgegebenen Zeit, so geht
der Sender (Rechner) davon aus, daB
das adressierte Gerat nicht am Bus an-
geschlossen ist.

Pin 4 CLK 0 Dieses Signal wird fiir die zeitliche
(Takt) Steuerung der Daten benutzt, die auf
dem langsamen seriellen Bus gesendet

werden (Softwaretakt).

Pin 5 DATA ie) Die Daten auf dem seriellen Bus werden
softwaremaBig getaktet Bit fir Bit Uber-
tragen.

Pin 6 RESET Dieses Signal bewirkt einen RESET des
Peripheriegerates nach einem RESET
des Rechners.

Spuren

1 bis 17
18 bis 24
25 bis 30
31 bis 35
36 bis 52
53 bis 59
60 bis 65
66 bis 70

Format von Spur und Sektor

Vorhandene Sektoren

0 bis 20
0 bis 18
0 bis 17
0 bis 16
0 bis 20
0 bis 18
0 bis 17
O bis 16

Anzahl der Sektoren

1541-
Modus

1571-
Modus

ANDERUNG DER GERATEADRESSE

Hardware-Methode

Mit zwei DIP-Switches auf der Riickseite der 1571 kann die Gerateadresse der 1571
geandert werden. Mit einem Schraubenzieher, Bleistift oder einem anderen kieinen
Werkzeug kénnen die Schalter entsprechend eingestellt werden. In der folgenden
Tabelle werden die fiir jede Gerateadresse erforderlichen Einstellungen angegeben.

Links Rechts Gerateadresse
a

Oben Oben 8

Unten Oben 9

Oben Unten 10

Unten Unten 11

tS

on

TABELLE DER DISKETTENBEFEHLE
BASIC'2.0
Allgemeines Format: OPEN 15,8,15:PRINT#15,befehl:CLOSE 15
VERWALTUNGSBEFEHLE

BASIC 2.0 NEW “NO:diskettenname,id”
COPY "CO:neue datei=O:alte datet”
RENAME “RO:neuer name=alter name”
SCRATCH = “SO:dateiname”
VALIDATE “VO”
BASIC 7.0 NEW HEADER “diskettenname’” |id,DO
(BASIC 3.5) COPY COPY “alte datei” TO “neue datei”
RENAME RENAME “aiter name” TO “neuer name”
SCRATCH SCRATCH “dateiname”
VALIDATE COLLECT

BASIC INITIALIZE “10°
2.0, 3.5, 7.0
DATEIBEFEHLE
BASIC 2.0 LOAD LOAD “dateiname”,8
SAVE SAVE “dateiname”,8
VERIFY VERIFY “dateiname”,8
BASIC LOAD DLOAD “dateiname”
7.0/3.5 SAVE SAVE “dateiname”
VERIFY DVERIFY “dateiname” (nur. BASIC 7.0)

Binardatei BLOAD BLOAD “dateiname” Bbank,Pstartadresse

(nurBASIG =BSAVE BSAVE “dateiname” Bbank,Pstartadresse TO
7.0) endadresse+1
BOOT BOOT “dateiname”
OPEN DOPEN#datei#,"dateiname”’ [,Leintragslange] [.W]

CLOSE DCLOSE #datei
RECORD*® RECORD#,datei eintragsnummer [offset]

BASIC OPEN OPENgatei, gerat, kanal, "0:dateiname, dateilyp,
2.0, 3.5, 7.0 fichtung”
CLOSE CLOSEdatei

RECORD# “'P" + CHR${kanal)+CHR${<eintrag)
+ CHR$(>eintrag) + CHR¢(offset)

PRINT # PRINT #¥datei,datenliste

GET# GET #datei,variablenliste

INPUT# INPUT #datei,variablentiste

BEFEHLE FUR DEN DIREKTZUGRIFF

BLOCK-ALLOCATE “B-A’”;0;spur#;sektor#
BLOCK-EXECUTE “‘B-I ‘anal #;0;spur#,sektor #

BLOCK-FREE ie pur#;sektor#
BUFFER-POINTER ikanal #;byte
BLOCK-READ jkanal #;0;spur;sektor#
BLOCK-WRITE “U2" kanal#;0;spur#;sektor#

MEMORY-EXECUTE "'M-E" CHR$(<adresse)CHR§$(>adresse)

MEMORY-READ “M-R" CHR$(<adresse)CHR§(>adresse)CHR$(anzahl)

MEMORY-WRITE = ““M-W"'CHA$(<adresse)CHR$(>adresse)CHR§(anzahl)CHR$
(datenbyte)CHR§$(datenbyte)...

USER “Uzeichen”

UTILITY LOADER = “&0:dateiname”

REVISIONS

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A PRODUCTION RELEASE

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COMMODORE MODEL 1571
SINGLE DISK DRIVE
PRELIMINARY
DIAGNOSTIC MANUAL

VERSION VP-3.1

SEPTEMBER 19, 1985

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VERSION VP-1.3 TEST DISKETTE INTRODUCTION

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The below listing is the directory of the Version VP-l1.3 Test Diskette and a
brief explanation of each program, More detailed information is contained inside
this manual.

Disk Name — 1571 Test VP-1.3

FGM o1 - "Menu VP-1.3" ** Diagnostic Test Menu for 1571 Test vp-1.3 Disk
PG’ 2- "Performance Bin” ** Binary File loaded prior to Performance Test
PG 3 - “Performance Test" ** Performance Read/Write Test for the 1571
POM 4 - “Read/Write Bin" ** Binary File loaded prior to Read/Write Test
pom 5 - “Read/Write Test" ** Read/Write Test for the 1571

PGM 6 - "System Test Binl" ** Binary File loaded prior to the System Test
PGM 7 - “system Test Bin2" ** Binary File loaded prior to the System Test
P&M 8 - "System Test" ** System Test for the 1571

PCM 9 - "Final Test Bin" ** Binary File loaded prior to the Final Test
PGM 10 - "Final Test" - ** Final Test for the 1571

PG 11 - “"R/W Burn-in" ** Extended Read/Write Test for the 1571

PGM 12 = “Alignment Inst" ** Instructions to run the Alignment Test
PG4 13 - “Alignment Test" ** Alignment Test - C-64/1541 Mode Only

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S71 STAND ALONE
DISK DRIVE

Peeve

Menu VP-1.3
Performance Test
Read/Write Test
System Test
Final Test

Logic Diagnostic

Read/Write Burn-In

Alignment Test

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MENU VP-1.3

C-128 COMPUTER

1571 SINGLE DISK DRIVE
40, 80 COLUMN MONITOR OR TV SET

AUTO-BOOT THE DIAGNOSTIC TESTS

VERSION VP-1.3 TEST DISKETTE

To load the diagnostic menu the following steps must be implemented..

1. Insert Test Disk Version VP-1.3 Into the 2571
2. Hold Down the 'SHIFT KEY' and Press the ‘RUN/STOP

When the program is loaded select the following..

1. Press '4’ if you are using a 40 column monitor or
2. Press '8' if you are using a 80 column monitor

When the monitor selection is

1.
2.
3.
4.
5.
6.
7.

Press
Press
Press
Press
Press
Press
Press

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To

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made the following

Performance Test
Read/Write Test
System Test

Final Test

Logic Diagnostic
Read/Write Burn-in
Alignment Inst

1-1

option

ERERE RE

KEY'

a TV set

menu is displayed..

Pages 2-1 thru
Pages 3-1 thru
Pages 4-1 thru
Pages 5-1 thru
Page 6-1

Pages 7-1 thru
Page 8-1

USE DOUBLE SIDED - DOUBLE DENSITY DISKETTES FOR ALL TESTS

2-2
3-2
4-3
5-2

7-2

16

PERFORMANCE TEST.

DESIGNED TO TEST THE 1572 SINGLE DISK DRIVE

REQUIRED EQUIPMENT C-128 COMPUTER
1571 SINGLE DISK DRIVE
40, 80 COLUMN MONITOR OR TV SET
(1) FORMATTED OR BLANK DISKETTE
VERSION VP-1.3 TEST DISKETTE

When the program is loaded select the following..

1. Press '4' if you are using a 40 column monitor or a TV set
2. Press '8' if you are using a 80 column monitor

When the monitor selection has been made the following must be selected...

1. Press 'F' if the diskette being used for the test is already formatted
2. Press 'U' if the diskette being used for the test is not formatted

If the 'F' (FORMATTED) option was selected..

1. Insert Formatted Diskette
2. Press 'SPACE' to begin the test
3. A Quick Format command is executed
* Only the Header is written to the diskette

If the 'U' (UNFORMATTED) option was selected..
1. Insert Blank Diskette
2. Press 'SPACE' to begin the test

3. A Long Format command is executed
* All Tracks are formatted with an ID written to all Sectors

2-1

7

.PERFORMANCE TEST (Cont)

When the Format option is canmplete the following tests are executed...

1. A file is Opened - A Data File is written - The file is Closed
2. A file is Opened, The Data File is read and verified - The file is Closed
3. The Data File is Scratched fram the diskette

The 1541 Slow Mode is checked by..

1. Writing Data to tracks 5 and 35
2. Reading and Verifying written data from tracks 35 and 5

The 1571 Fast Mode is checked by..

1. Writing Data to tracks 40 and 70

2. Reading and Verifying written data from tracks 70 and 40

The MEM Burst Format is checked by formatting..

TRACK BYTES/SECTOR
1 128
2 $12
36 1024
37 256
38 512
39 128

The Burst Read/Write is checked by Writing, Reading and Comparing Data on..

Tracks — 01,02,36,37,38,39 -- Side 0
Tracks -- 79,78,77,76,42,41 — Side 1

** _ Failure during Burst Operations is normally due to a Bad Diskette or a
Double Sided - Double Density Diskette not being used

at

READ/WRITE TEST

DESIGNED TO TEST THE 1571 SINGLE DISK DRIVE

REQUIRED EQUIPMENT C-128 COMPUTER
1571 SINGLE DISK DRIVE
40, 80 COLUMN MONITOR OR TV SET
(1) FORMATTED DISKETTE
VERSION VP-1.3 TEST DISKETTE

When the program is loaded select the following...

1. Press '4' if you are using a 40 column monitor or a TV set
2. Press ‘8' if you are using a 80 column monitor

When the monitor selection has been made the instructions are displayed...

1, Remove Diagnostic Diskette
2. Insert Formatted Diskette
3. Press 'RETURN' to begin the test

The MEM Format is checked by formatting...

TRACKS BYTES/SECTOR
00-09 128
10-19 256
20-29 512
30-39 1024

The Read/Write Operation is checked by..

1. Randomly Writing data to tracks 0-39
2. Randomly Reading data from tracks 0-39

9

SYSTEM TEST

DESIGNED TO TEST THE 1571 SINGLE DISK DRIVE

REQUIRED. EQUIPMENT C-128 COMPUTER
1571 SINGLE DISK DRIVE (DEVICE 8)
1571 SINGLE DISK DRIBE (DEVICE 9) — OPTIONAL
40, 80 COLUMN MONITOR OR TV SET.
(1) FORMATTED (WRITE-PROTECTED) DISKETTE
(1) BLANK DISKETTE
VERSION VP-1.3 TEST DISKETTE

When the program is loaded select the following..

1. press '4' if you are using a 40 column monitor or a TV set
2. press ‘8’ if you are using a 80 column monitor

“When the monitor selection has been made the instructions are displayed..

1. Insert Formatted - Write Protected Diskette
2, Press ‘SPACE’ to begin test

gero Track is checked by executing a five (5) count loop to zero track and
reading a pre-written sync mark on the diskette

Write Protect is checked by attempting to format the write-protected diskette and
reading back the error channel

when the ‘Activity LED Blinking Rapidly’ prompt is displayed..
1. Press 'F3' if LED is not rapidly blinking
* SYSTEM FAILS - Bad Write-Protect Sensor
2. Press ‘Fl’ if LED is rapidly blinking
* The Bump Test is Downloaded

he Head Bump checks Track 1 by bumping the head against the Zero Stop five (5)
times and checking that the head canes back on track

4-1

20

SYSTEM TEST_ (Cont)

When all above tests have passed the instructions are displayed..
1. Remove Write-Protected diskette
2. Insert Blank Disk
3. Press ‘SPACE’ to continue test

Format Operation is checked by executing a GOR Format to all tracks with an ID
written to all sectors

When the GCR Format is complete the following tests are executed..
1. A file is Opened - A Data File is Written - File is Closed
2. A file is Opened - The Data File is Read and Verified - File is Closed
3. The Data File is Scratched

The 1541 Slow Mode is checked by..

1. Writing data to tracks 5,15,25,35
2. Reading and Verifying written data from tracks 35,25,15,5

The 1571 Fast Mode is checked by..

1. Writing data to tracks 40,50,60,70
2. Reading and Verifying written data fran tracks 70,60,50,40

The MFM Burst Format is checked by formatting..

TRACK BYTES/SECTOR
1 128.
2 512
36 1024
37 256
38 $12
39 128

The Burst Read/Write is checked by Writing, Reading and Comparing Data on..

Tracks 01,02,36,37,38,39 -- Side 0
fracks 79,78,77,76,42,41 -- Side 1

21

SYSTEM TEST (Cont)

When the Burst Operations are complete the following instructions should be
followed...

1. Remove disk fram device (8)

2. Insert in device (9)

3. Press 'R' if no device (9) is present

* Skips Compatibility Test

4, Press 'SPACE' to begin compatibility test
The 1541 Slow Mode Compatibility is tested by..

1. Reading and Verifying data from tracks 5,15,25,35
The 1571 Fast Mode Campatibility is tested by..

1. Reading and Verifying data from tracks 40,50,60,70
Burst Read Compatibility is checked by Reading and Verifying Data from..

Tracks - 01,02,36,37,38,39 —- Side 0
Tracks - 79,78,77,76,42,41 —- Side 1

4-3

22

FINAL TEST

DESIGNED TO TEST THE 1571 SINGLE DISK DRIVE

REQUIRED EQUIPMENT

C-128 COMPUTER

1571 SINGLE DISK DRIVE (DEVICE 8)

157] SINGLE DISK DRIBE (DEVICE 9) — OPTIONAL
40, 80 COLUMN MONITOR OR TV SET

(1) FORMATTED DISKETTE

{1) BLANK DISKETTE

VERSION VP-1.3 TEST DISKETTE

When the program is loaded select the following..

1. Press '4' if you are using a 40 column monitor or a TV set
2. Press '8' if you are using a 80 column monitor

When the monitor selection has been made the option menu is displayed..

1. Press
2. Press
3. Press
4. Press

‘ye
12°
+3"
‘At

to
to
to
to

If '1' is selected

TRACKS

00-09
10-19
20-29
30-39

select Format Option

select Read/Write Option

display Test Results - After Read/Write Test is complete
execute all the listed options

- The MEM Format is checked by formatting..
BYTES/SECTOR

128

256

512
1024

5-1

23

FINAL TEST (Cont)

If '2' is selected - The Read/Write Test is downloaded to the 1571

** When the download is complete the Read/Write Test executes entirely from DOS
and the 1571 may be disconnected

** I£ the 'A' (All Options) is selected do not disconnect the 1571

Press 'C' if the C-128 is disconnected
Press 'R' to return to the option menu

If '3' is selected - The test results are displayed in the following format..
FIRST PASS ERRORS - Displays errors per track for the first test pass

SECOND PASS ERRORS

Displays errors per track for the second test pass

RETRY ERROR COUNT Displays number of necessary retries

ERROR TYPE - Displays types of errors encountered..
CRC - Data CRC Error
RNF ~- Retry Count Not Found

ADM - Address Mark Not Found
Wher all test results are displayed..

1. Press 'R'’ to restart the test
2. Press *E' to exit fran test

$-2

24

LOGIC DIAGNOSTIC

DESIGNED TO TEST THE 1571 SINGLE DISK DRIVE

REQUIRED BQUIPMENT C-128 COMPUTER
1571 SINGLE DISK DRIVE
40, 80 COLUMN MONITOR OR TV SET
VERSION VP-1.3 TEST DISKETTE

When the program is loaded select the following..

}. Press '4' if you are using a 40 colunn monitor or a TV set
2. Press '8' if you are using a 80 column monitor

When the monitor selection has been made instructions are displayed..

1. Connect 1571 to be tested to the C-128
2. Apply Power to the 1571
3. Press 'Fl' to begin testing

** A diskette is not needed for this test
When 'F1l' has been pressed the Logic Diagnostic Code is downloaded to the 1571
When the download is complete an Activity LED Blinking prompt is displayed..

1. Press 'F3' if LED is not blinking
* Download has failed — Reset 1571 and retry download

2. Press 'Fl' if LED is blinking

If 'Fl' has been selected an error flash code chart is displayed. The status of
the 1571 logic is indicated by short blinks of the activity LED followed by a
long time interval per the following chart..

- FLASH LOGIC IS OK

~ FLASHES REPLACE DOS ROM
- FLASHES -- REPLACE RAM IC

FLASHES -- REPLACE 6522 IC
- FLASHES -- REPLACE 6522 IC
- FLASHES -- REPLACE 6526 IC
- FLASHES -- REPLACE #D1770

PCB LOCATION U02
PCB LOCATION U03
PCB LOCATION U04
PCB LACATION 009
PCB LOCATION U20
PCB LOCATION U11

rertre

MANU SBWHeY
i

When the download is complete the Logic Diagnostic is executing entirely from the
1571. DOS and the C-128 may be disconnected.

Press 'Fl' to test more drives
Press 'F3' to exit fram the test

** Once the Logic Diagnostic has been downloaded to a 1571 it is necessary
to reset (Turn Off and On) the 1571 before it can be accessed.

6-1

25

READ/WRITE BURN-IN

DESIGNED TO TEST THE 1571 SINGLE DISK DRIVE

REQUIRED EQUIPMENT C-128 COMPUTER
1571 SINGLE DISK DRIVE
40, 80 COLUMN MONITOR OR TV SET
(1) FORMATTED OR BLANK DISKETTE
VERSION VP-1.3 TEST DISKETTE
When the program is loaded select the following..

1. Press '4' if you are using a 40 column monitor or a TV set
2. Press '8' if you are using a 80 column monitor

When the monitor selection has been made the option menu is displayed...

1. Press 'F' to select the fast test
2. Press 'S' to select the slow test

When the type of test has been selected the following options are offered..
1. Select the speed mode of the test
A. Press 'L' to run the test in the 1 MHZ Mode
B. Press '2' to run the test in the 2 MHZ Mode
* An 80 Column Monitor is required for 2 MHZ Mode
2. Select drive mode of the test

A. Press '4' to run the test in the 1541 Mode
B. Press '7' to run the test in the 1571 Mode

3. Select number of passes the test is to run
* For extensive testing, 10 Passes is suggested for the Fast Test
* For extensive testing, 2 Passes is suggested for the Slow Test
The format operation of the drive is checked by..

1. MEM Format at 128, 256, 512 and 10247Bytes/Sector
* MPM Format is done in the 1571 Mode only

2. GCR Format writing a header only with no ID written - Fast Test
GCR Format of all tracks with an ID written to all sectors - Slow Test
* GCk Fos.at is done in both 154] and 1571 Modes
The write operation of the drive is checked by..

1. Three (3) files are saved to the diskette
* The files are saved in both 1541 and 1571 Modes

The write operation is verified by..

1. Reading the directory to ensure the three (3) files were properly saved

READ/WRITE BURN-IN_. (Cont)

The Read/Write Operation of the drive is tested by..

1. Reading -

Fast Test

Slow Test

Fast Test

Slow Test

writing - Reading and Verifying - per the following..

1

1541 Mode - Tracks 01,05,10,15,20,25,30,35

Sectors - 00,08,16
1541 Mode - Tracks - 01 thru 35
Sectors - 00 thru 16

1571 Mode - Tracks
Sectors

01,10,20,30,40,50,60,70
00,08 ,16

1571 Mode - Tracks - 01 thru 70
Sectors - 00 thru 16

The test results are displayed at the end of the test in the following format..

PASSES

Total number of passes run

TOTAL ERRORS - Total errors encountered during all operations

The error list displays all errors on a per operation basis as..

MEM 128 BYTE -

MEM 256 BYTE -

MEM 512 BYTE -

MEM 1024 BYTE -

GCR FORMAT

FILE SAVE

DIRECTORY

READ

WRITE

COUNTABLE

Number of errors encountered Guring the 128 Byte/Sector
MEM Format Operation

Number of errors encountered during the 256 Byte/Sector
MFM Format Operation

Number of errors encountered during the 512 Byte/Sector
MEM Format Operation

Number of errors encountered during the 1024 Byte/Sector
MEM Format Operation

Number of errors encountered during the GCR Standard Format
Operation

Number of errors encountered during the Saving File Operation

Number of errors encountered during the Directory Read
Operation

Number of errors encountered during the Read Operation
* Includes both Read and Read and Verify Operations

Number of errors encountered during the Write Operation

- Number of Read and Write errors that required more than

TOTAL RUN TIME

BOTTOM LINE

one (1) retry to recover
- Total elapsed time since test started

- Final determination if the system Passes or Fails the test
7-2

—-gge ne

ALIGNMENT TEST.

DESIGNED TO TEST THE 1571 SINGLE DISK DRIVE

REQUIRED EQUIPMENT C-128 COMPUTER
1571 SINGLE DISK DRIVE
40, 80 COLUMN MONITOR OR TV SET
(1) ALIGNMENT DISKETTE (CBM P/N 970016-01)
(1) FORMATTED DISKETTE
VERSION VP-1.3 TEST DISKETTE

RRR RRIRRA IRI ITT IIR IO IAI III ICR TIE RI KEIR IR IR RIKI III IITA IRI I TAI IAD

wk an
ae THIS VERSION OF THE ALIGNMENT TEST MUST BE LOADED AND RUN ne
bat WITH THE C-128 IN THE C-64 MODE AND THE 1571 IN THE 154] MODE halal
ak * ke

BESO IGI II III IIIS IEICE IIIT I I IIOTAIA TIT I IT IIIA III III SATII A IIS I AIAN

When the program is run the following options are availiable..

1. Press 'SPACE' to run all availiable tests
* This is the recommended option

2. Press '1' to test for proper drive LED operation (Green Activity LED)
3. Press '2' to test for proper Write Protect Sensor operation

4. Press '3' to check Drive Belt status and display the current Motor Speed
* The speed is out-of-tollerance if the indicated reading is different
than (-lms, Oms or +lms)
* If the speed is out of the recommended tollerance adjustment is allowed

5. Press '5' to monitor the ‘CATS EYE SIGNAL’ for eveness, correct amplitude
and adjust if necessary.
* Rotate the Stepper Motor to obtain maximum display per Figure 1-1 & 1-2
* This option requires a special 48TPI alignment disk (CBM P/N 970016-03)

A dual trace scope, with external sync capabilities, will be necessary for proper
alignment. The probes must be connected as follows..

PROBE 1. - Pin 17 - IC U7 —--—~ TPL
PROBE 2 - Pin 18 - IC U7 -----—- TP2
EXT SYNC - Pin 17 - IC U6

** Scope settings should be adjusted for the best possible display of the
"CATS EYE SIGNAL‘

6. Press '6' to do a final Read/Vrite test on the 1571
* This test reads, writes and verifies data to randan tracks
* A known good formatted diskette must be used for the Read/irite test

8-1

PCB ASSY SINGLE FLOPPY 1570
Artikel-Nr.
252 223-01
901 435-02
252 242-01
251 828-01
251 829-01
251 853-01
310 651-01
390 077-01
310 653-01
318 011-02
251 637-05

251 853-02
251 828-02
251 637-03
251 637-04
325 566-01
902 410-10
902 410-12
252 173-01
251 842-02
325 505-02
252 239-01
325 513-01
325 513-03
251 878-02

Beschreibung

PCB SINGLE FLOPPY 1570
Ic 6502 AD 2 MHz CPU
23256 32K x 8 ROM
64H156 CUSTOM GATE ARRAY
64H157 CUSTOM GATE ARRAY
R/W HYBRID

WD-1770 FDC

THF 32

65SC 22A (2MHz)

6526 A (22)

2016 (S RAM)

R/W HYBRID

CUSTOM GATE ARRAY
2016 (S RAM 120 ns)
2016 (S RAM 150 ns)
CRYSTAL MODULE 16MHz
RESISTOR PACK 1 Kn 10PIN
RESISTOR PACK 2.7 Kn 10PIN
FERRITE BEADS

EMI FILTER 100pF

DIODE ZENER 3.3V 500mW
DIODE, SILICONE 1A F/HA
COIL INDUCTOR 2.2 uH

COIL INDUCTOR 100 uH

’ LINE FILTER

ui

U6

“U5

uit
UIT
U4,9

U3

U6

“U3

U3

x1

PRI

PR2

FB 3,4,7
EMI 1-4
CR 3

CR 1,2,4-7
Li

L3

29

325
325
325
325
251
252
252
252

551-01
562-06
562-15
562-03
065-05
166-01
233-01
234-01

“INSLTATION SILICONE TO-3

HEADER ASSY 3.96 PITCH 6 PIN
" 15 PIN
" 3 PIN
HEADER ASSY 2.5 PITCH 5 PIN
CONNECTOR 6 PIN DIN
SHIELD PLATE, BOTTOM

INSULTATION SHEET, 1570

VRI.2
CN 5
CN 6
CN 7. 8
CN 4

CN 2. 3

"REVISIONS.

— cry RS a
LT [ZONE] DESCRIPTION + “|. Av eROVED
; SEE SHeer Tf

lee $¢ —— eo os Ft
Fiz Mlgll——2
ee tte x

22-64 CcOommedore

PCB ASSY;

7—| SINGLE FLOPPY /570
. SzE kd
570 f250782|B | 250463 |2

SCALE NONE |sucet A OF 4

ERSATZTEILE_1571
Artikel-Nr.

250 771-02

252 050-01

250 770-01

255 052-04
BOTTOM CASE ASSY
D 310 509-01
250 772-02

310 420-01

252 069-01

252 070-01

252 160-01

252 083-01

252 092-01

310 513-01

252 165-01

PCB ASSEMBLY 1571
STAND ALONE DISK DRIVE

901 435-02
310 654-01
251 828-01
251. 829-01
251 853-01
310 651-01
390 077-01
310 653-01
252 034-02

Beschreibung

BOTTM CASE ASSY, 1571

KNOB FOR NEWTRONICS & ALPS

BEZEL ASSY, 1571

LABEL RATING, 1571

BOTTOM CASE, 1571

POWER SUPPLY ASSY, 1571
PCB ASSY, 1571

SHIELD PLATE, BOTTOM
INSULATION SHEET A
SHEET. COVER, IC

FLOPPY DISK, NEWTRONICS
FLOPPY DISK, ALPS

DISK DRIVE CHASSIS

DISK DRIVE CHASSIS ALPS

IC 6502A 2MHZ CPU

23256 32K + 8 ROM
64H156 CUSTOM GATE ARRAY
64H157 CUSTOM GATE ARRAY
R/W HYBRID

WD 1770-00 FDC

74F32 QUAD OR

65SC22A° (2MHZ )

PST 520D VOLT DET

Ger /UK

VDE

ul
U2
U6
U5

vil
ula
U4,9
u21

32

318 011-03

251 637-05

251 828-02

325 566-01

310 657-01

PCB ASSEMBLY 1571
STAND ALONE DISK DRIVE
902 410-10

251 842-02

325 513-01

325 513-03

252 166-01

252 145-10

656 (2MHZ)

2016 20LB 2Kx8
Custom GAZE ARRA
CRYSTAL MODULE 16MHZ

TRANSISTOR MPSU51 PNP

RESISTOR PACK 1 K 10 PIN

—EM1 FILTERS 100 PF

INDUCTOR 2.2 MHZ

INDUCTOR 100 MHZ

CONNECTOR 6 PIN DIN

CONNECTOR 10 PIN DUAL RT ANG CNZ

u20
U3
U6
y1

Qi

RP1
EM1-4
ul
L3
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Technical Manual

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QUANTITY REGO PER
PART/ DASH NO.

PART NUMBER

DESCRIPTION

Tesesos

Blosevascarl

3 | 252907-0

ILO FS ~-O2

GATE “ARRAY, 42 PIN

SUBSTITUTE FOR ITEM tt.

ISTICR DOS 256K ROM

Tace< 300

(HK S-RAM )

Traces 200.

OZWRITE AMP

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O/ WRITE AMP.

MOTOROLA « SUBSTITUTE FOR ITEM 12

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LO, P4LS129

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TRANSISTOR , 2500815
TRANSISTOR MPSWS1

SVE FOR ITEM 37

2460-01 | TRANSISTOR, 25A6B3

25 2460-02

commedore

PCB ASSY,

ZRANSUSTOR» 25A684

C-7571 ER

tes FOR CTEM ET

“ ae DRAWING NUMBER REV
z cetls[eesa7o_| 2504 2 O__ i
ii SHEET

i PART NO. DESCRIPTION

REVISIONS.

DESCRIPTION

APPROVE!

2S0d70-01\) PCB ASSY, C-1S71CR

ADVANCED ENGINEERING RELEASE

PILOT FROQUCTION RELEASE

REVISED PER ECO 8702076 870248

1, SHEET oF
ASSY DWG

SIZE

NOTES-UNLESS OTHERWISE SPECIFIED:

Draws BY ott Texan Ta ore | paawnc numa
x J. Ogawana [2-20-06 4 fitrjemes bata
c-s7ich __ |e tiege eel ele pee cae 70

QUANTITY REGO PER
PART/DASH NO.

PART NUMBER DESCRIPTION REF DES

APACITOR, CEFAMIC, fae £OY — @ic2i2324% | |¢26,27,33,3¢% SUB. £OR _/TEM BY

CERAMIC, LEO OPE SOV 104 @| C25
c/é. SU8. FOR 1TEM BO
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2623 70 -0/ \CAPACITCR, ELECT, NoM POLE IuF $0v Q) 4
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2S2145-01 | HEADER ASSY, 10 PIN (DIL) Ne (G00 FINISH)
LO PI (SIL)
6 PIN (SIL)
¥ ¢ PIN (SIL)
I32SS6 Z -O3 | HEADER ASSY. 3 PIN (S/L)

| 25216 6-01 | CONNECTOR, 6 PIN DIN

7os|_ | 252/73-03| FERRITE 6bEA0S

S204 d-02 | OP SWITCH _@-81TS (UPRIGHT)

SOCKET, 16 LOW-PROFILE 48 PIM.
SOCKET, (6 LOW-PROFIRE 28 PIN

| 252076 - 07 | 7UGE, MSUATION £°8 WHEN USE STEM 36
———

commeccre | PCB ASSY, C-1STICR Elio ga : aresee 70 =

SHeet =e

QUANTITY REQD FER
PART /DASH NO.

NOTES

DIODE, INPId

DOLE» fH d002

CRYSTAL , 16 MHZ

RESISTOR, 150
: 10K

R22, 33,34

R26, 3,30

ISK

Bl POLS $0 -99 |

RESISTOR» a0K 1/4W S% @

BlGOrSSO -385

RESISTOR , 2.9K st faw

| RESISTOR, CARBON, 39K 1/4W_ SH @)

- 5?

SZ4 Tw kd @®

GOSS O-29

19916 00-37

RESISTOR, 390 1/2W 5% @ Red

356/90-O2

RESISTOR PACK, 1K U/8W10%, 6PIK

A\902442-29

[RESISTOR PACK, 3.3K VOW S%, OPIN

eS0a7
=

SIZE | DRAWING NUMAER
SHEET.

REVISIONS

DESCRIPTION bate | AppRoven:

SEE SHEET 7 pie?

wa fee

“Vp ARTwonk w0,252207 Rev.t ya FABRICATION NO.252306

“URI HH

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